Cheap flights from Newcastle to Adelaide from $173

The month of February is, on average, the cheapest month to fly to Adelaide from Newcastle, with most prices found around $391. If you aren’t able to travel during the month of February, then book flights to Adelaide from Newcastle during January instead. Flights to Adelaide in January, while not as cheap as those in February, still average around $429.

According to our data, Thursday is the cheapest day to fly to Adelaide from Newcastle. The lowest ticket price found for a Thursday departure recently was $555. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $687. These prices are subject to change though, so be sure to set up a Price Alert for flights to Adelaide.

The cheapest time of day to fly to Adelaide is in the morning when flights can be purchased for as low as $593. Flights at midday are often more expensive, with an average ticket price of $687.

Fly from Newcastle Williamtown to Adelaide for the best Newcastle Williamtown - Adelaide flight prices

You are more likely to see cheaper flights to Adelaide from Newcastle when booking weeks ahead of your departure date. In general, you can expect to find flights to Adelaide for around $514 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Adelaide from Newcastle for as low as $364 on momondo.

There are 3 cabin classes available to choose from on Newcastle to Adelaide flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 10% on your flight if you consider stops on a Newcastle to Adelaide flight.

As of August 2026, prices for Newcastle to Adelaide flights are approximately 3% cheaper when compared to flights at the same time last year.

Jetstar, Virgin Australia, and Qantas Airways are the most popular carriers operating from Newcastle Williamtown to Adelaide

Jetstar, Virgin Australia and Qantas Airways are the top three most popular airlines that fly to Adelaide from Newcastle according to our data. Jetstar is the first choice among our users, with 72% of people opting to fly with this airline when travelling to Adelaide. Keep in mind that there are 3 different airlines that fly to Adelaide on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Newcastle and Adelaide have experienced a delay on any given week. The average delay length over the past 12 months has been 95 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Alliance Airlines have had the fewest delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

Melbourne (MEL) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Melbourne (MEL) offer the lowest average return price of $446.

Flights connecting via Melbourne (MEL) have the shortest average one-way travel time: 4h 30m.

Brisbane (BNE) has the shortest average stopover time for this route: 2h 08m.